Residential delivery area · Colorado
ZIP Code 80435: Dillon, CO
ZIP code 80435 uses the postal name Dillon, Colorado and lies entirely in Summit County (Census 2020 ZIP-county file). About 8,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $97,463 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Keystone (40%), Dillon (1%) and Montezuma (under 1%); 59% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dillon · its only residential ZIP
- County
- Summit County
- Census places
- Keystone (40%) census-designated place; Dillon (1%); Montezuma (under 1%)
- Micro area
- Breckenridge, CO
- House district
- CO-2 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 104.0 sq mi · 84 people per sq mi
Where is ZIP code 80435?
80435 centers on 39.574°, -105.935° and covers 104.0 square miles of land plus 2.6 of water. It borders 5 ZIP codes: 80424, 80448, 80476, 80444, 80498.
The map draws ZIP code areas only. For the streets inside 80435, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 80435 compare with the rest of Summit County?
| Measure | 80435 | In Summit County | In CO |
|---|---|---|---|
| People (ACS 2020-2024) | 8,715 | 3rd of 4 | 188th of 527 |
| Median household income | $98k | not ranked | not ranked |
| Median home value | $942k | 2nd of 3 | 11th of 311 |
80435's median household income is not ranked: its 90% margin of error (±$25,536) is more than a quarter of the figure ($97,463). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 51% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 80435?
The 2020 Census counted 8,344 people in 80435; the ACS, which samples households over 2020-2024, estimates 8,715. Between the 2010 and 2020 censuses its population grew 14.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,715±927 (90% margin)
- 2020 Census count
- 8,344+14.6% since 2010 (7,278)
- Households
- 3,285
- Median age
- 35.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 80435?
Of the 8,715 people the ACS estimates in 80435, 19.6% are under 18 and 11.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (69.0%), then Hispanic or Latino (26.3%).
- Under 1819.6%
- 18 to 6469.0%
- 65 and older11.4%
- White, not Hispanic69.0%
- Hispanic or Latino26.3%
- Other or two or more2.2%
- Asian, not Hispanic1.3%
- Black, not Hispanic1.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 80435 earn?
Median household income is $97,463 (ACS 2020-2024). It is not measurably different from 2015-2019 ($104,428 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $97,463±$25,536
- Income per person
- $52,827
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 6.5%
- Adults 25+ with a bachelor's degree
- 55.5%
- Adjusted gross income per tax return, 2022
- $99,5814,890 returns; wages 61% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 80435?
FHFA's house price index for 80435, built from repeat sales and appraisals of the same homes, rose 136% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved −5.3% in 2025.
- Median home value (owners' estimate)
- $941,600
- Median gross rent
- $1,897
- Homes owned by their occupants
- 61.6%
- Housing units
- 8,080
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 80435?
459 business establishments had a location in this ZIP code in 2023, 20 more than in 2018; the most are in real estate and rental and leasing (ZIP Code Business Patterns).
- Real estate and rental and leasing77
- Construction76
- Accommodation and food services66
- Professional, scientific, and technical services53
- Retail trade41
- Administrative and support and waste management and remediation services33
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 80435?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80424 | Breckenridge | 9,764 | $121k | 7.9 mi |
| 80448 | Grant | 0 | – | 8.6 mi |
| 80476 | Silver Plume | 159 | $52k | 8.6 mi |
| 80444 | Georgetown | 1,053 | $79k | 11.4 mi |
| 80498 | Silverthorne | 8,881 | $106k | 21.5 mi |
| 80443 | Frisco | 3,992 | $109k | 13.7 mi (near) |
| 80438 | Empire | 970 | $67k | 13.9 mi (near) |
| 80420 | Alma | 1,246 | $87k | 19.8 mi (near) |
| 81649 | Red Cliff | 345 | – | 20.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.